CN207719787U - Outdoor high voltage cable branch box - Google Patents

Abstract

The utility model is related to a kind of outdoor high voltage cable branch boxes, including babinet, cable and cable connector；Mainly cable connector is T-type insulation nested structure, connecting terminal is equipped in the T-type insulation sleeve, the connecting terminal is made of conductive clip, conductive tube and conductive core, conductive clip is inserted into the vertical cavity of T-type insulation sleeve, its lower end has and the mutually matched endoporus of cable end conducting wire, upper end is fixedly connected by screw with one end of conductive core, conductive tube is inlaid in the vertical cavity wall of T-type insulation sleeve, upper end is electrically connected with conductive clip, lower end is sleeved on the periphery of cable accessory, and T-type insulation sleeve vertical component lower port periphery is equipped with tightening device；It is connected with each other by insulating bar between two T-type insulation sleeves, conductive core is encapsulated in the endoporus of insulating bar.Its class of insulation is high, can be used for the electric system of 24kV voltage class.

Description

Outdoor high voltage cable branch box

Technical field

The utility model belongs to high-voltage electrical appliances field, especially with regard to a kind of outdoor high voltage cable branch box switchgear. The utility model is suitable for 24kV three-phase alternating current 50/60Hz electric system.

Background technology

Connection and tap of the outdoor high voltage cable branch box for power cable, generally by shell, with insulating protective layer Busbar, connecting cable and cable connector composition.Such as the High-Voltage Cable Branching Case of number of patent application CN200720099790.9, packet The holder for including shell, being arranged in the shell is equipped with multiple cable inner cone plugging formula connectors on the holder, described Shell be made of glass fiber reinforcement unsaturated polyester layer.With lightweight, anti-condensation, corrosion-resistant, ageing-resistant, all insulation, resistance The features such as combustion.Its major defect is that apparatus insulated grade is low, and the power-frequency voltage born is 42kV/1min, lightning impulse voltage 85kV（Peak value）, may be only available for the electric system of 12kV voltage class.

Invention content

The purpose of this utility model is to be directed to existing deficiency, provides a kind of class of insulation height, is suitable for 24kV electricity Press the outdoor high voltage cable branch box of grade.

The technical solution of the utility model includes babinet, cable and cable connector；Mainly cable connector is T-type insulation sleeve Structure, the T-type insulation sleeve is interior to be equipped with connecting terminal, which is made of conductive clip, conductive tube and conductive core, conductive clip Be inserted into the vertical cavity of T-type insulation sleeve, lower end have with the mutually matched endoporus of cable end conducting wire, upper end by screw with One end of conductive core is fixedly connected, and conductive tube is inlaid in the vertical cavity wall of T-type insulation sleeve, and upper end is electrically connected with conductive clip, under End cap is mounted in the periphery of cable accessory, and T-type insulation sleeve vertical component lower port periphery is equipped with tightening device；Two T-types are exhausted It is connected with each other by insulating bar between edge set, conductive core is encapsulated in the endoporus of insulating bar.

Preferably, babinet is equipped with charge indicating device, and the charge indicating device is by being mounted on current detector on cable With the display composition on babinet.

It insulate nested structure the utility model has the advantages that cable connector is T-type, by the insulating bar with conductive core by two T-types Cable in insulation sleeve is connected with each other, and makes to keep space length between every cable, prevents two cables from intersecting, the class of insulation Height can be used for the electric system of 24kV voltage class.Product have all insulation, hermetically sealed, barrier propterty is good, it is corrosion-resistant, disengaging The features such as line is flexible, small, installation is simple and convenient to operate.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Specific implementation mode

Outdoor high voltage cable branch box as shown in Figure 1, including babinet 1, cable 5 and cable connector 7；Cable connector 7 is T Type insulation nested structure, the T-type insulation sleeve is interior to be equipped with connecting terminal, and the connecting terminal is by conductive clip 10, conductive tube 8 and conductive core 4 compositions, conductive clip 10 are inserted into the vertical cavity of T-type insulation sleeve, and lower end has mutually matched interior with 5 end leads of cable Hole, upper end are fixedly connected by screw 11 with one end of conductive core 4, and conductive tube 8 is inlaid in the vertical cavity wall of T-type insulation sleeve, on End is electrically connected with conductive clip 10, and lower end is sleeved on the periphery of cable accessory 6, and cable accessory 6 is conduct piece, upper end and cable 5 End leads are electrically connected, and T-type insulation sleeve vertical component lower port periphery is equipped with tightening device 3, by cable accessory 6 and cable 5 Fastening is mounted in cable connector 7, ensures that the conducting wire of 5 end of cable is reliably electrically connected with conductive core 4；Two T-type insulation sleeves it Between be connected with each other by insulating bar 12, conductive core 4 is encapsulated in the endoporus of insulating bar 12, and insulating bar 12 makes to protect between every outlet cable Space length is held, prevents two cables from intersecting, insulator cap 13, T-type insulation sleeve are installed on the T-type insulation sleeve at 12 both ends of insulating bar Outer surface is equipped with semi-conductive layer 9.

Babinet 1 is equipped with charge indicating device 2, and the charge indicating device 2 is by being mounted on current detector and case on cable Display composition on body, prompts the electrification of operating personnel's circuit.

Claims (2)

1. a kind of outdoor high voltage cable branch box, including babinet（1）, cable（5）And cable connector（7）；It is characterized in that cable connects Head（7）For T-type insulation nested structure, the T-type insulation sleeve is interior to be equipped with connecting terminal, and the connecting terminal is by conductive clip（10）, it is conductive Cylinder（8）And conductive core（4）Composition, conductive clip（10）It is inserted into the vertical cavity of T-type insulation sleeve, lower end has and cable（5） The mutually matched endoporus of end leads, upper end is by screw（11）With conductive core（4）One end be fixedly connected, conductive tube（8）It is embedded in In the vertical cavity wall of T-type insulation sleeve, upper end and conductive clip（10）Electrical connection, lower end is sleeved on cable accessory（6）Periphery, T-type insulation sleeve vertical component lower port periphery is equipped with tightening device（3）；By insulating bar between two neighboring T-type insulation sleeve （12）It is connected with each other, conductive core（4）It is encapsulated in insulating bar（12）Endoporus.

2. outdoor high voltage cable branch box according to claim 1, it is characterized in that babinet（1）It is equipped with charge indicating device （2）, the charge indicating device（2）It is made of the display on cable on current detector and babinet.